Type-writing machine



2 Sheets-Sheet 1.

Patented Sept. 10, 1889.

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D. ALLEN', Jr. TYPE WRITING MACHINE.

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D. ALLEN, Jr. TIPI: WRITING MACHINE.

No. 410,627. Patented Sept. 10, 1889.

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UNITED STATES PATENT OFFICE.

DANIEL ALLEN,. JR., OF BOSTON, MASSACHUSETTS, ASSIGN OR TO THE TYPE-VRITER IMPROVEMENT COMPANY, OF PORTLAND, MAINE.

TYPE-WRITING MACHINE.

SPECIFICATION forming part of Letters Patent No. 410,627, datedSeptember 10, 1889.

Application led November 21, 1887. Serial No. 255,693. (No model.)

To all whom, it may concern:

Be it known that I, DANIEL ALLEN, J r., of Boston, in the county ofSuffolk and State of Massachusetts, have invented certain new and usefulImprovements in Type-IVriting Machines, of which the following is aspecilication.

This invention relates to a type-Writin g machine having printingcharacters or types arto ranged in a segmental series on a plate orsevment which is pivoted to a sliding carriage, and is enabled by thesliding movement of the carriage and by its own movement in eitherdirection on its pivot to present either of its characters or types to aprinting-lever adapted to press the type upon a sheet of paper held bysuitable devices forming a part of the machine and to print upon saidsheet, as shown in Letters Patent to J. Becker, Oc-

tober 12, 1886, No. 350,717.

The invention has for its object to enable the upper and lower casecharacters to be printed by the same type-carrying segment; and to thisend it consists in a type-carrying segment having two concentric seriesof characters, one comprising the upper and the other the lower case,the said segment being movable, so that either series of characters maybe brought into position for one ofits 3o members to be act-ed upon bythe printinglever.

The invent-ion also consists in certain details and minor improvements,all of which I will now proceed to describe and claim.

Of the accompanying drawings, forming a part of this specification,Figure l represents a top view of a type-writing machine provided withmy improvements. Fig. 2 represents a section on line 0c x, Fig. l,showing the typecarrying segment in position for printing with thelower-case characters. Fig. 3 represents a similar section showing saidsegment in position to print with the upper-case characters. Fig. 4represents a view of the type-carrying segment inverted. Fig. 5represents a section on line y y, Fig. l.

The same letters ot reference indicate the same parts in all thefigures.

In the drawings, c represents the supporting-base, to which is affixed aframe supporting a iixed horizontal ratchet-bar l1, having theratchet-teeth b. The type-carrying segment c is mounted in a carriage 34, having perforated ears d d, through which the ratchet-bar Z) passes,said frame being adapted to slide upon the said bar. To an ear e on thecarriage is pivoted a lever f, hereinafter called the printing-lever,which is adapted to oscillate in a vertical plane and has a laterally'-projecting arm g and a pin or stud 7l. 6o

c' represents a rocking-lever, the main portion of which is parallelwith the ratchet-bar l), its ends being bent at right angles and formedwith eyes embracing said ratchet-bar and enabling the lever 'i to rockor oscillate 65 on the ratchetbar. The rocking lever t' passes betweenthe arm g and pin h of the printing-lever f, and when oscillated alsooscillates the printing-lever, a dog j, pivoted to the printing-lever,being caused to engage a 7o tooth of the ratchet-bar by each depressionof the rocking lever c', and thus nlove the carriage one step in itsprogressive movement. At the same time a pin or plunger f on theprinting-lever acts on the flexible type- 7 5 sheet c', attached to thesegment c, and presses a character thereof upon the paper sheet which isplaced on the machine to receive impressions from the types. The rockinglever and printing-lever are normally supported in 8o a raised positionby a spring k, and are depressed against the stress of said spring bythe downward pressure of the operators hand on the rocking lever. Thetype-carrying segment c is pivoted at m to the carriage, and has aseries of orifices n concentric with the pivot m. The flexible rubbertype sheet or plate c is attached to the segment c and projects from thesegmental edge thereof, and is provided with printing-characters, whichare 9c also concentric with the pivot m, and are arranged to bedepressed over the paper-supporting bed or bar m2 by the plunger f onthe printing-lever. The concentrically-arranged holes a in thetype-carrying segment co-operate with a pin p on the printing-lever,said series of holes constituting what is termed in said Becker patent acentering device, whereby each printing-character is properly centeredor placed under theplunger of the roo printing-lever.

q represents a rubber-coated paper-feeding ing-lever.

of the machine, and is provided with a springy t, whereby it is.Anormally turned, so as to press the teeth ofthe comb-shaped plate uponthe paper passing over the roller q, and with a handle u, whereby saidplate may` be raised to release the paper. i i

'b represents an index-plate connected tothe carriage and provided witharepresentation of the characters of the type-segment arrangedconcentrically with the pivot rm' of ,said segment and co-operatingwith. an operating-'lever w, attached to said segment.

f The description thus far given is mainly applicable to the machineshown in the abovenamed Becker patent, and its general operation issubstantially the same as that described in said patent, thetype-segmentbein'g turned by theoperator to bring any desired'characterunder the plunger of the printing-lever,- and said character is pressedupon the paper by a depression of the printing-lever,v which depressionalso moves the carriage along one step and centers the type for theprinting-characters, so that the machine Vhas been capable of printingonly one kind of letters-viz., upper-case. In carrying out my inventionIprovide the type-carrying segment with two concentric seriesy ofprinting-characters ,c z', (the former including the upper and thelatter the lower case letters,) and make said segment movable toward andfrom either ,series can be brought under the print- Tothis end I makethe carriage in two "sections 3 and 4, the section 3 having the' ears dd, which slide on the ratchet-bar 5 and the ear e, to which theprinting-lever is pivoted, while the section 4 is adapted` to move onthe section 3 toward and from the ratchet-bar and supports thetype-'carrying segmento and the index-plate o. The section 4 may besecured to the section 3 in any desired manner, so `as to permit thedescribed independent movement of the type-carrying segment. lI havehere shown t-he section 3 provided with two parallel dovetailextensions, serving as guides on which the section 4 slides, the latterhaving dovetail grooves 5 5, Fig. l, which receive said guides. It isobvious, however, that various other devices may be adopted to engagethe two sections and permit the independent movement of the section 4.rlhe section 4 is provided with downwardly-projecting .notched or forkedlugs c2 c2, adapted4 to Aengagea b ar d', which isparallel with theratchet-barb, butis'supported on guidese e', on'which it is adapted toslide laterally. Said bar isY connected `by rods g g with arms 7L h',attached to a rockshaftrl, which is journaled infiXedl bearings iu theframe of the machine. A spring c, secured at one end to said rock-shaftand bearing at the other end on the frame, normally holds the rock-shaftin the position shown in Fig. 2, said rock-shaft acting through the armsh', rods g', and `bar d to hold the .type-carryin g segment with theseries of lowercase letters in operative relation to the plunger of thetype-lever, so that the normal operation ofthe machine will be to printthe lower-case letters. The rock-shaft t" has a lever-arm m', which,when presseddownwardly by the operator, turns the rock-shaftto theposition shown in`Fig. 3, and causes it', through the arms h and rodsg', to force the bar d and the section 4 of the carriage employedtherewith'backwardly until the series of upper-case letters are inoperative relation to the printing-lever, so that the machine will printupper-case letters so long as the rock-shaft is held in the. positionlast described. vis provided with two pins p, one arranged toIco-operate with the holes/mot' the centering device when thetype-carrying segment is in .one position, and the other when said seg-U`ment is in the other position, as shown in- Figs. 2 and 3.Y g

printing-plunger f I-Ieretofore the` typef carrying segment has had butone series ofl From the foregoing it will be seen that Vwhen theoperator desires to print an uppercase letter he turns the rock-shaft t"against lthe pressure of the spring lq', and-thus moves 3thetype-carrying segmentback andpresents lits upper-case letters to theiprinting-lever.

When the rock-shaft is released,'its sprin g lo',

through the described' devices, returns the Itype-carryingsegment toposition to print lower-case letters. A the ratchet-bar andprinting-lever, sothat The machine is to be providedwith suitarectionsinor additions ltomatter already printed arerequired. I have also-shownthe teeth of the comb-shapedplate provided with `numerals for the samepurpose, said numerals also (3o-operating withy the combined rockinglever and gage, or with any other gage that may be applied to themachine. I provide the carriage with pointers p p, the points of whichregister with one edge of the ixed bar o r bed which supports the paperunder the printing-lever, as shown in Fig. Y, 1'. These pointers-enablethe operato;` to so replace a IOO IIC

IIS

sheet that has been already printed on that c l1aract ;rs added to aline thereonshallbe in exact alignment with the `other characters Oficsaid line, the ends of the pointersregistering with the bottom of theprinted line when the' latter is in position to be in line withcharacters subsequently printed.

The operator in manipulating the machine operates the shifting`mechanism, the spacelever, and rocking lever t' with the fingers of onehand, while he moves the type-segment with the other hand, in this waybeing enabled to keep the machine in constant and rapid motion withoutstopping to adj ust for printing different characters.

I claiml. In a type-writer, the combination, with the paper support orguide, the longitudinal guides, the carriage movable thereon, and thefeeding mechanism for automatically feeding the carriage forward when atype has been depressed, of the movable type-carrying segment bearing'concentric rows of type mount ed on said carriage in iixed guides atright angles to the line of movement of the carriage and a shifting-barmounted on iXed guides and engaging said segment to shift the same,whereby the types in said concentric rows may be brought to the propel'printing-point, substantially as described.

2. In a type-writing machine, the combination, with a paper support orguide, a carriage mounted on longitudinal guides, and a printing-leverthereon, of a type-carrying segment provided with concentric series ofcharacters mounted on an axis or pivot which is movable in iiXed guideson and at right angles to the line of movement ofthe carriage, and ashifting-bar mounted in fixed guides and engaging said pivot, wherebythe types in said concentric series may be brought to the properprinting-point, substantially as described.

3. In a type-writing machine, Jthe combination of a carriage mounted onlongitudinal guides and made in two parts or sections, one of which isindependently movable in fixed guides at right angles with the usualmovement of the carriage, a type-carrying segment having a plurality ofseries of printingcharacters pivoted to the said independentlymovablesection, a printing-lever pivoted to the other section of the carriageand engaging said printi11g-characters to print the same, and ashifting-bar mounted in fixed guides and engaging saidindependently-movable section for moving the section to bring eitherseries of characters into operative relation with the printing-lever, asset forth.

4. In a type-writing machine, the combination of a carriage made in twoparts or sections, one of which is independently movable at right angleswith the usual movement of the carriage, a type-carrying segment havinga plurality of series of printing-characters pivoted to 6o the saidindependently movable section, a printing-lever pivoted to the othersection of the carriage, a laterally-sliding bar, as d', arranged to beengaged by slotted lugs with the independently movable section of thecarriage, and means, substantially as described, for moving said rodlaterally, and with it the type-carrying segment and the section of thecarriage supporting it, as set forth.

5. In a type-writing machine, the combina- 7o tion of a carriage made intwo parts or sections, one of which is independently movable at rightangles with the usual movement of the carriage, a type-carrying segmenthaving a plurality of series of printing-characters pivoted to the saidindependently-movable section, a printing-lever pivoted t-o the othersection of the carriage, and a laterally-sliding bar, as d, arranged tobe engaged by slotted lugs on the independently-movable section, a 8ospring-controlled rock-shaft journaled in xed bearings, and connectionsbetween said rockshaft and rod, whereby the latter is moved by therotation of the former, as set forth.

6. In a type-writer, the combination, with the longitudinally-movablecarriage, the typesegment carrying concentric rows ofprinting-characters thereon and movable in ixed bearings in a directionat right angles to the line of movement of the carriage, and the 9oprinting-lever, of centering-pins co-operating with the type-segment tocenter the type in any of said concentric rows, substantially asdescribed.

In testimony whereof I have signed my name 9 5 to this specification, inthe presence of two subscribing witnesses, this 18th day of November,1887.

DANIEL ALLEN, JR.

Vitnesses:

C. F. BROWN, W. C. RAMsAY.

